Pollutants like nitrogen dioxide, sulphur dioxide, carbon monoxide, particulate matter (PM) can have at least 17 adverse effects on human health.
Delhi smog: Trucks, heavy vehicles banned from entering state till Sunday as authorities look to curb pollution
Entry points on the national capital's borders will be sealed by the Delhi Police for trucks, except those carrying essential items
Air Quality Index is one of the most common term used for checking the air pollution. It’s a number defined by the governments.